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Diffstat (limited to 'rules.mak')
| -rw-r--r-- | rules.mak | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -89,6 +89,23 @@ find-in-path = $(if $(find-string /, $1), \ $(wildcard $1), \ $(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH))))) +# Logical functions (for operating on y/n values like CONFIG_FOO vars) +# Inputs to these must be either "y" (true) or "n" or "" (both false) +# Output is always either "y" or "n". +# Usage: $(call land,$(CONFIG_FOO),$(CONFIG_BAR)) +# Logical NOT +lnot = $(if $(subst n,,$1),n,y) +# Logical AND +land = $(if $(findstring yy,$1$2),y,n) +# Logical OR +lor = $(if $(findstring y,$1$2),y,n) +# Logical XOR (note that this is the inverse of leqv) +lxor = $(if $(filter $(call lnot,$1),$(call lnot,$2)),n,y) +# Logical equivalence (note that leqv "","n" is true) +leqv = $(if $(filter $(call lnot,$1),$(call lnot,$2)),y,n) +# Logical if: like make's $(if) but with an leqv-like test +lif = $(if $(subst n,,$1),$2,$3) + # Generate files with tracetool TRACETOOL=$(PYTHON) $(SRC_PATH)/scripts/tracetool.py |